NAME _____________________________________________________ CLASS __________ DATE __________
10.3
STATISTICAL TESTS
Activity 1 Perform a
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
The amount of money spent by 12 randomly selected customers at a supermarket is provided below. Enter the data in L1 and test the alternate hypothesis that the average spent is more than $75.
98 | 79 | 151 | 38 | 116 | 55 |
42 | 61 | 88 | 64 | 120 | 93 |
Alternate hypothesis is _______________
p = __________
Decision is to _______________ the null hypothesis that µo=75.
Activity 2 Perform a
The time in minutes to assemble a product using two different procedures is provided below. Enter Procedure 1's times into L1 and Procedure 2's times into L2. Test the alternative hypothesis that Procedure 1 provides higher times than Procedure 2. Pool the standard deviations for the test.
Procedure 1 | 54 | 61 | 58 | 56 | 63 | 52 | 60 |
Procedure 2 | 50 | 56 | 56 | 59 | 53 | 47 | 52 |
Alternate hypothesis is _______________
p = __________
Decision is to _______________ the null hypothesis that µ1=µ2.
88Blackline Masters/STATISTICS USING THE SHARP
